<template>
  <div class='rate'>
  	<span>☆☆☆☆☆</span>
    <div class="hollow" :style='style'>
      ★★★★★
    </div> 
  </div>
</template>

<script>
export default {
  props: {
  	value: {
  		type: [Number, String],
  		default: '0'
  	}
  },
  computed: {
  	style () {
  		return `width:${this.value / 2}em`
  	}
  }
}
</script>

<style lang="scss">
.rate {
	position: relative;
	display: inline-block;
	.hollow {
	position: absolute;
	display: inline-block;
	top: 0;
	left: 0;
	width: 2em;
	overflow: hidden;
  }
}
  
</style>